



def getpar(seq1,seq2):
    #seq1 = "A项目1标"
    #seq2 = "A项目高速"
    res = ""
    for x in seq1:
        if x not in seq2:
            res = res + x
    return res

def getfrs(seq1,seq2):
    #seq1 = "A项目高速"
    #seq2 = "B项目高速"
    if seq1==seq2:
        return seq1
    else:
        return seq2